Cita APA

Abbott, J. C. 1., & Makeham, J. P. (1981). Agricultural economics and marketing in the Tropics. Longman.

Citación estilo Chicago

Abbott, John Cave 1919-, y J. P. Makeham. Agricultural Economics and Marketing in the Tropics. Longman, 1981.

Cita MLA

Abbott, John Cave 1919-, y J. P. Makeham. Agricultural Economics and Marketing in the Tropics. Longman, 1981.